3BSE030220R1 CI854A 模块 这通常通过使用带有内置终端的连接器来实现

ABB  3BSE030220R1 CI854A   通信接口模块

PROFIBUS DP是一种高速多用途总线协议(高达12Mbit/s ),用于互连现场设备，如远程I/O、驱动器、低压电气设备和控制器。PROFIBUS DP可以通过CI854A通信接口连接到AC 800M。经典的CI854A包括两个PROFIBUS端口以实现线路冗余，它还支持PROFIBUS主冗余。CI854B是新的PROFIBUS-DP主设备，在新的安装中取代了CI854A。通过使用两个CI854A通信接口模块，在PROFIBUS-DP通信中支持主冗余。主冗余可以与CPU冗余和CEXbus冗余(BC810)结合使用。模块安装在DIN导轨上，直接与S800 I/O系统和其他I/O系统连接，包括所有PROFIBUS DP/DP-V1和FOUNDATION Fieldbus专业系统。PROFIBUS DP必须在两个外面的节点处终止。这通常通过使用带有内置终端的连接器来实现。为了保证正确的工作端接，连接器必须插上电源。

PROFIBUS is a high-speed multipurpose bus protocol (up to 12Mbit/s), which is used to interconnect field devices, such asremote I/O, drivers, low-voltage electrical devices and controllers.Dp can be connected to AC 800M through CI854Acommunication interface. Classic CI854A includes two PROFIBUS ports for line redundancy, and it also supportsMainredundancy of PROFIBUS. CI854B is a new PROFIBUS-DP master device, which replaces CI854A in the new installation.With two CI854A communication interface modules,Main redundancy is supported in PROFIBUS-DP communication.Master redundancy can be used in combination with CPU redundancy and CEXbus redundancy (BC810). The module isinstalled on the DIN rail, directly connected with theS80 I/O system is connected with other I/O systems, including allPROFIBUS DP/DP-V1 and FOUNDATION Fieldbus professional systems. Dp mustTerminate at the two outermost nodes.This is usually achieved by using a connector with a built-in terminal. To ensure proper working termination, the connectormust be plugged in.

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